Two spherical bodies of mass $M$ and $5 M \&$ radii $R \& 2 R$ respectively are released in free space with initial separation between their centres equal to $12 R$. If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is

Question:

Two spherical bodies of mass $M$ and $5 M \&$ radii $R \& 2 R$ respectively are released in free space with initial separation between their centres equal to $12 R$. If they attract each other due to gravitational force only, then the distance covered by the smaller body just before collision is

1. $2.5 R$

2. $4.5 R$

3. $7.5 R$

4. $1.5 R$

JEE Main Previous Year Single Correct Question of JEE Main from Physics Gravitation chapter.

JEE Main Previous Year 2003

Correct Option: 3

Solution: